1.Find the central atom (take how many electrons in the outer shell) 2. how many other atoms is the central atom bonded to. 3. If it has a negative charge +1 if it has a positive charge -1 4. add values together then divide by 2.

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Define 'charge cloud'.

A charge cloud is an area where there is a large possibility of finding an electron.

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Define electronegativity.

Electronegativity is the ability to attract the bonding electrons in a covalent bond.

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What is a dipole?

The difference in electronegativity between two atoms causes a dipole.